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505371040 = 2553158569
BaseRepresentation
bin11110000111110…
…101100110100000
31022012221111201221
4132013311212200
52013333333130
6122051504424
715344403646
oct3607654640
91265844657
10505371040
1123a2a5819
121212b8114
1380915a25
144b193196
152e57987a
hex1e1f59a0

505371040 has 24 divisors (see below), whose sum is σ = 1193939460. Its totient is φ = 202148352.

The previous prime is 505371037. The next prime is 505371071. The reversal of 505371040 is 40173505.

It can be written as a sum of positive squares in 2 ways, for example, as 494795536 + 10575504 = 22244^2 + 3252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505370996 and 505371014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579125 + ... + 1579444.

Almost surely, 2505371040 is an apocalyptic number.

It is an amenable number.

505371040 is an abundant number, since it is smaller than the sum of its proper divisors (688568420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505371040 is a wasteful number, since it uses less digits than its factorization.

505371040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158584 (or 3158576 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 505371040 is about 22480.4590700457. The cubic root of 505371040 is about 796.5324081412.

The spelling of 505371040 in words is "five hundred five million, three hundred seventy-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3158569 6317138 12634276 15792845 25268552 31585690 50537104 63171380 101074208 126342760 252685520 505371040